Answers

Subtract 49/60 from 90/84

1^st number: 1 6/84, 2^nd number: 49/60

90/84 - 49/60 is 107/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   90/84 = 90 × 5/84 × 5 = 450/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   49/60 = 49 × 7/60 × 7 = 343/420
4. Subtract the two like fractions:
   450/420 - 343/420 = 450 - 343/420 = 107/420

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